20199805042

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{63521}}^1$

素因数の和:63786

約数の個数: 32

約数和(自身を含む): 32929804800

約数和(自身を除く): 12729999758

約数列:

[1, 2, 17, 34, 47, 94, 199, 398, 799, 1598, 3383, 6766, 9353, 18706, 63521, 127042, 159001, 318002, 1079857, 2159714, 2985487, 5970974, 12640679, 25281358, 50753279, 101506558, 214891543, 429783086, 594111913, 1188223826, 10099902521, 20199805042]

約数ペア:

[(1, 20199805042), (2, 10099902521), (17, 1188223826), (34, 594111913), (47, 429783086), (94, 214891543), (199, 101506558), (398, 50753279), (799, 25281358), (1598, 12640679), (3383, 5970974), (6766, 2985487), (9353, 2159714), (18706, 1079857), (63521, 318002), (127042, 159001)]